Gulf Standard Time to Greenwich Mean Time
Convert times between Gulf Standard Time (GST, UTC+4:00) and Greenwich Mean Time (GMT, UTC+0:00). Greenwich Mean Time is 4 hours behind Gulf Standard Time in standard time. During daylight saving time this difference changes to 3 hours.
UTC+4:00→UTC+0:00 / +1:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Gulf Standard Time | GST | UTC+4:00 | — | UAE / Oman |
| Greenwich Mean Time | GMT / BST | UTC+0:00 | UTC+1:00 | United Kingdom |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (GST → GMT)
| Gulf Standard Time | Greenwich Mean Time |
|---|---|
| 12:00 AM GST | 8:00 PM (prev day) GMT |
| 6:00 AM GST | 2:00 AM GMT |
| 9:00 AM GST | 5:00 AM GMT |
| 12:00 PM GST | 8:00 AM GMT |
| 3:00 PM GST | 11:00 AM GMT |
| 6:00 PM GST | 2:00 PM GMT |
| 9:00 PM GST | 5:00 PM GMT |
Summer (DST) Conversion (GST → BST)
| Gulf Standard Time (summer) | Greenwich Mean Time (summer) |
|---|---|
| 12:00 AM GST | 9:00 PM (prev day) BST |
| 6:00 AM GST | 3:00 AM BST |
| 9:00 AM GST | 6:00 AM BST |
| 12:00 PM GST | 9:00 AM BST |
| 3:00 PM GST | 12:00 PM BST |
| 6:00 PM GST | 3:00 PM BST |
| 9:00 PM GST | 6:00 PM BST |
Daylight Saving Time (DST) Notes
- Greenwich Mean Time observes DST. Clocks advance 1 hour to BST (UTC+1:00) roughly from month 3 to 10.
- The offset difference shifts between 4h (standard) and 3h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert GST to GMT?
Add (-4) hours to the GST time to get GMT. For example, 9:00 AM GST = 5:00 AM GMT.
What is the current UTC offset for Gulf Standard Time?
Gulf Standard Time is always UTC+4:00 (GST) — it does not observe DST.
Is Greenwich Mean Time ahead or behind Gulf Standard Time?
Greenwich Mean Time is 4 hours behind Gulf Standard Time in standard time.
When is a good time to schedule a meeting between GST and GMT?
A good overlap window is around 3:00 PM GST / 11:00 AM GMT, which falls within business hours for both timezones.
Related Timezone Conversions
Gulf Standard Time → Central European TimeGST / CETGulf Standard Time → Eastern European TimeGST / EETGulf Standard Time → Moscow TimeGST / MSKGulf Standard Time → Turkey TimeGST / TRTGulf Standard Time → US Eastern TimeGST / ESTGulf Standard Time → India Standard TimeGST / ISTGulf Standard Time → China Standard TimeGST / CSTGulf Standard Time → Japan Standard TimeGST / JST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.